On Mer, 2003-07-30 at 22:50, Petr Vandrovec wrote:
> There is no such instruction. Skip LOCK prefix and decode again,
> you'll get either cmpxchg or xadd (or cmpxchg8b, but then it does
> not work on i486 too).
And if the byte you are looking at was patched by another thread you've
blown it. Your emulation can only be so good 8) People do stuff like
patching instructions under software decode as a robustness check - its
normally pretty amusing
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